Quinton’s Dam Loop Ride: A few hills, a lot of rural scenery. Meet at Quinton’s in Coralville, head north to Oakdale Blvd, east to Dubuque Street, and then loop north on Prairie du Chien Road. We then head west over the Coralville Dam to West Overlook Road, then back south on North Dubuque Street to Oakdale Boulevard and Holiday Road back to Quinton's.